Prepspm 1516 kmpp

PRE-PSPM SEMESTER 1 SESSION 2015/2016 KMPP

1 (a) Predictions about the size of the hole in the ozone layer, modeling of global warming and the effects of greenhouse gases are examples of the uses of information technology in science field.

(i) Name the category of computer that suits to perform the activities mentioned above.

[1 mark]

_________________________________________________________________________ (ii) Discuss the capabilities of the category of the computer based on your answer in 1(a)(i)

[2 marks]

_________________________________________________________________________ _________________________________________________________________________ (b) Discuss one of the benefits for applying information technology in the role of scientist work and

research.

[2 marks]

______________________________________________________________________________ ______________________________________________________________________________ 2 (a) Identify the operation of IPOS which involved in the following scenario. [2 marks]

i. Light is captured through the camera lenses and transformed to create a digital image.

ii. You press the remote control button to triggers the signal to switch the television channel.

(b) En. Imran has subscribed for MaximusONE Plan with 8GB data which provides only internet plan with unlimited talk & text to any number, every day. He has used 68% of his quota in day 20. Calculate the exact number of his balance data in MB.

[2 marks]

(c) Complete the following number sequence in hexadecimal number.

[1 mark]

1010 10112 1310 1016 _____16 110012

(d)

This coding scheme supports a huge diversity of characters from

throughout the world. That’s why; this coding scheme became the

most commonly used in recent technologies.


(i) Identify the suitable coding scheme based on the above statement.

[1 mark]

_________________________________________________________________________ (ii) Give 2 (two) characteristics of coding scheme stated in 2 (d).

[2 marks]

_________________________________________________________________________ _________________________________________________________________________ (f) Write down the outputs for Z1, Z2, and Z3 in the Figure 1 below.

[3 marks]

______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ (g) In order to lose weight effectively, experts always give the following tips:

Do not avoid breakfast

Drink plenty of water

Live an active life

Draw a logic circuit based on the above statement.

[ 4 marks]

Z1= ______

Z3= ______

Z2= ______

Figure 1


3 Figure 2 shows the physical components of the computer. Answer the following questions based on Figure 2.

Figure 2

(a) (i) Identify component P which function is to hold many components of the system..

[1 mark]

_________________________________________________________________________ (ii) State two (2) of the basic components of P.

[2 marks]

_________________________________________________________________________ _________________________________________________________________________ (iii) Define each of the components mentioned in 3(a)(ii).

[2 marks]

(b) Component Q is the heart of any computer.

(i) State the function of component Q.

[2 marks]

_________________________________________________________________________ _________________________________________________________________________ (ii) Machine cycle have four (4) basic operations, which occur in component Q. Explain the step in

machine cycle which involved ALU. [2 marks]

_________________________________________________________________________ _________________________________________________________________________

P Q

R

S


(iii) The results produced will be stored in memory. Name the type of memory involves in this last steps of machine cycle

[1 mark]

_________________________________________________________________________ _________________________________________________________________________ (iv) Explain the type of memory mentioned in 3(b)(iii)

[2 marks]

_________________________________________________________________________ _________________________________________________________________________ (c) (i) Identify component R and its type of storage. [2 marks]

Component R Type of storage

(d) (i) Identify Component S which is an adapter card that is use to connect other computers through telephone lines.

[1 mark]

_________________________________________________________________________ (ii) Besides component S, identify other types of adapter card that enables a computer to connect to

other computers and peripherals. [1 mark]

_________________________________________________________________________ (e) All airports nowadays use self check-in kiosk to facilitate their passengers.

Figure 3


(i) State each input and output device used in computer kiosk as in Figure 3.

[ 2 marks]

Input device Output device

4 (a) Identify the function of Operating System based on the situation below. [3 marks]

Situation Function of OS

Ahmad has bought a new device to be added to his complete computer system.

Ahmad can control the data entry and how information is displayed on his computer screen.

Ahmad would like to share resources such as software and hardware with his roommate.

(b) Identify the types of Utility program based on the function below.

[2 marks]

Utility function Types of Utility Program

Detect computer files whose contents are scattered across several locations on the hard disk, and move the fragments to one location to increase efficiency.

Shrink the size of disk content in order to increase the capacity of the disk.

(c) (i) List two (2) examples of documents that can be produced by using word processing software.

[2 marks]

_________________________________________________________________________ _________________________________________________________________________ (ii) Give two (2) usages of spreadsheet software.

[2 marks]

_________________________________________________________________________ _________________________________________________________________________ (iii) Give one (1) example for each of the of application software below.

[2 marks]

Application Software Proprietary Open Source

Presentation

Database


5 (a) Ali wants to set up a network in his office and he has bought a laser printer and 5 computers with a Network Interface Card (NIC) built in.

(i) What is computer network?

[2 marks] _________________________________________________________________________ _________________________________________________________________________ (ii) State other two (2) things that Ali must have in order to setup the network.

[2 marks]

_________________________________________________________________________ _________________________________________________________________________ (b) Farish plans to hold a network soccer games competition with his three roommates during weekend.

Each of them will use their own laptop to participate in the competition.

(i) Suggest the most suitable type of network architecture for them.

[1 mark] _________________________________________________________________________ (ii) Justify your answer in 5(b) (i)

[2 marks]

_________________________________________________________________________ _________________________________________________________________________ (iii) Draw and label a topology layout if Farish wishes to use star topology.

[4 marks]

(iv) State the difference between the type of network that Farish use and the internet.

_________________________________________________________________________ _________________________________________________________________________ 6 (a) State one (1) similarity between intranet and extranet compared to internet.

[ 2 marks]

______________________________________________________________________________ ______________________________________________________________________________


(b) (i) Suggest the best type of internet connection for the following situation.

[3 marks]

Internet Connection Situation

This connection is useful for serving remote or sparsely populated areas. Service can be disrupted in extreme weather conditions.

This connection use technology that converts electrical signals carrying data to light and sends the light through a special cable about the diameter of a human hair.

This connection is established and maintained for limited time duration.

(ii) Name two (2) Internet Service Provider.

[ 2 marks]

_________________________________________________________________________ _________________________________________________________________________ (c)

(i) What is the function of IP address?

[2 marks]

_________________________________________________________________________ _________________________________________________________________________ (ii) Give one (1) example of the other representation of IP address.

[1 mark]

_________________________________________________________________________ (iii) Suggest a solution for the problem in the above statement.

[2 marks]

_________________________________________________________________________ _________________________________________________________________________ 7 (a) (i) Identify the component of the web address segment below: [ 2 marks]

Web address segment Component

permohonan-matrikulasi-kpm-sesi.html

http://

/2015/07/

www.malaysiatercinta.com/

“ The world is officially ran out of the 4.3 billion available IPv4 addresses

in February 2011. Yet, hundreds of millions of people are still to come

online, many of whom will do so in the next few years.. “

Statement from: http://www.internetsociety.org/


(ii) Name two (2) web browsers that can be used to access the web address above. [ 2 marks] _________________________________________________________________________ _________________________________________________________________________ (b) State the difference between the two (2) types of web page navigation. [3 marks]

Type A: Type B:

(c) (i) Explain the two (2) ways of searching the information through the internet. [ 2 marks] _________________________________________________________________________ _________________________________________________________________________ (ii) Give one (1) example for each of the information search tool in 7(c)(i) [ 1 mark] _________________________________________________________________________ _________________________________________________________________________ (d) Differentiate between the two types of Internet services below. [2 marks]

Instant Messaging Message Board

(e) State the similarity between the two types of website below. [2 marks]

Blog Online Social Network

8 (a) Give two (2) netiquettes that can be applied if someone would like to send a complaint e-mail to Internet

Service Provider due to bad quality of internet speed. [2 marks] ______________________________________________________________________________

______________________________________________________________________________


(b) (i) Which area of computer ethic is involves if someone wants to protect a new development of computer programs.

[1 mark] _________________________________________________________________________ (ii) Which areas of computer ethics is involve if someone tries to get information from a computer

server in a campus local area network. [1 mark] _________________________________________________________________________ (iii) Which areas of computer ethics is involve if an Eco-font is used to save more ink while printing. [1 mark] _________________________________________________________________________ (c) Numerous types of services are offered through the use of online banking. (i) Explain one (1) risk of becoming an online banking user? [2 marks] _________________________________________________________________________ _________________________________________________________________________ (ii) State one (1) way of how Banking protects customer from the risk mentioned in 8(c)(i). [2 marks] _________________________________________________________________________ _________________________________________________________________________ (d) Suggest the appropriate solution for each of the computer threats below. [3 marks]

Risk Solution

A program enters into your computer to monitors your online activities or installs programs without your consent for profit or to capture personal information.

Web sites that make software available online for download for free or in exchange for users who uploaded software.

Sudden power spikes in computer lab lead to data in volatile memory not being saved to permanent storage.

END OF QUESTIONS

Prepspm 1516 kmpp

Technology

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